| | |  | Heaters | Home » » » » HMO 50: Finnex 50 Watt w/ Memorized Digital Controller Aquarium Titanium Heater (10-20 Gallons) | | | | | | | Description: | | Finnex has put together an indestructible heater with a memory chip using a precision digital controller that maintains water temperatures at a constant level. In case of a power failure, heaters are equipped with memory to bring your tank back to it's original settings without any unfortunate mishaps. These heaters also feature an automatic shut off overheat protection. HMO-50-50 Watts-0.45A-10~20 Gallons | | | Features: | |
• Indestructible Titanium Tube
• Built In Memory Chip
• LED Display
• Automatic shutoff Over Heat Protection
| | | Product Details: | | | Package Length:
| 10.0 inches | | Package Width:
| 6.5 inches | | Package Height:
| 1.6 inches | | Package Weight:
| 0.4 pounds | | Average Customer Rating:
|  based on 4 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 4 customer reviews )
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Most Helpful Customer Reviews
2 of 2 found the following review helpful:
 accurate, durableMay 15, 2011
By JBan
Actually, I'd give this 4.5 stars.
Keeps my 10 gallon tank within 1-2 degrees as advertised and seems sturdy enough to last a long time.
What I did not know from the product description and pictures on Amazon is that this unit also has a separate wired temperature sensor which also needs to be placed into the tank along with the heating element (but located far enough away from it so as not to be reading too high). So you actually have 3 pieces of equipment all connected together.
Also, the two suction cups on the heating element, while clinging to the glass with ease, tend to slide around with the gentlest of pressure. If you want to place your heating element just right you will have to be very careful not to move the cords or disturb anything that touches it.
Pros:
Solidly built
Keeps temp to within 2 degrees
No glass parts to crack
Separate sensor placed away from heater gives a more accurate reading
Digital readout of current temperature
High temperature safety shut-off feature
Cons:
Separate sensor is just another thing that will take up space in a small tank (albiet it is small itself)
Suction cups on heater slide on glass easily if disturbed
Main cord to heating element could be a bit longer
 Died after 6 monthsDec 10, 2011
By Leslie Vincent
This worked great -- for as long as it worked. Suddenly after 6 months, it burned out: The middle of the heating element is now black. Since it has only a 180 day warranty, we were out of luck. the manufacturer offered to replace component parts of it - for a fee -- but we would have to ship the unit back to them and we couldn't leave the tank without a heater. So we replaced it with a $10 heater that has a two-year warranty, so that heater could go out three times in a year and we'd still come out comparitively ahead. I'm extremely disappointed in this unit and manufacturer.
Not AccurateOct 29, 2011
By TJ Chambers
I like this heater. Its titanium, its small, and it has a nice digital readout. What I don't like. It took a couple weeks to get the suction cups to keep the heater on the glass. It kept falling off and laying against the back of the tank. The heater temp is within 1-2 degrees. Its never consistent. I didn't see it advertised on this Amazon page that it would be within 1-2 degrees.
Today, my tank was 76 degrees but the read out said 78. So I changed it to 79. It got up to 78.3 degrees and the heater was still on. So I put it back to 78 degrees and the heat turned off.
Other days, it will say 78 degrees and the tank may be 77, 78, or 79.
I don't like this inconsistency. I have the coral life thermometer which gives me an exact read out of the tank. That sensor is right next to the thermometer sensor on the opposite side of the tank from the heater. I tested the temperature with a cooking thermometer and it shows that the coral life thermometer is accurate.
If this thermometer really is suppose to keep it within 2 degrees, that means if you have it set to 78, it could be 76 or 80 degrees. If it was always 1 degree off, I can adjust according. But since it can be 1-2 degrees off in any direction at any time, its a guessing game. This is important to try and keep the temp steady.
 Aquarium heaterFeb 10, 2011
By David Ling
I really like this heater. Its very short so it will fit in most hob filters and be out of sight.
I also like that it has a digital programmable read out,which makes it much easier to read and set the temp.
If you need a small submersible heater this is it. :>)
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